2026-02-06 Correspondence Claims 190 -210 Level (dB) 8 8 8 “140 Spatial Comparison of Acoustic Energy behind Workstation 3 250 Left Ear (Glass Reflection) Frequency Hz (Log Scale) — Right Ear (Direct Open Rack) 2500 —— Behind Head (Shielded) Calibration Check: 1000 Hz Tone 250 Frequency in Hz (Log Scale) —Level (48) 2500 25000